Download Autocad DWG file. 

                  Sectional area (cm2) Mass per m (kg/m) Moment of inertia (cm4) Section modulus (cm3) Radius of gyration (cm) Coating area* (m2/m)
Per S 79.8 62.6 26809 1188 18.3 1.04
Per D 159.5 125.2 53618 2376 18.3 2.05
Per m of wall 118.9 93.3 39954 1770 18.3 1.53

*One side, excluding inside of interlocks. S = Single Pile |  D = Double pile